extend constants

//@lipi=2
indicator("extend Library Example", overlay=true)
if barstate.islast {
    line.new(bar_index[20], low[20], bar_index, low, color=color.red, extend=extend.right)
    line.new(bar_index[20], high[20], bar_index, high, color=color.green, extend=extend.both)
}

//@lipi=2
indicator("extend.both Example", overlay=true)
if barstate.islast {
    line.new(bar_index[20], low[20], bar_index, high, color=color.blue, extend=extend.both)
}

//@lipi=2
indicator("extend.left Example", overlay=true)
if barstate.islast {
    line.new(bar_index[20], low[20], bar_index, high, color=color.blue, extend=extend.left)
}

//@lipi=2
indicator("extend.none Example", overlay=true)
if barstate.islast {
    line.new(bar_index[20], low[20], bar_index, high, color=color.blue, extend=extend.none)
}

//@lipi=2
indicator("extend.right Example", overlay=true)
if barstate.islast {
    line.new(bar_index[20], low[20], bar_index, high, color=color.blue, extend=extend.right)
}